[jira] [Commented] (MDEP-516) Go-offline does not find module dependencies in multi-module build.

["Petar Tahchiev (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MDEP-516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15273793#comment-15273793 ] 

Petar Tahchiev commented on MDEP-516:
-------------------------------------

Hi Herve,

I might be missing the point but I don't think dependency collection would fix the issues. Most CIs (including CircleCI) operates in the following manner: 

1) Restore your local repo from cache (if any)
2) Run your dependency resolution phase (which I specify to be {{mvn dependency:go-offline}})
3) Save your local repository somewhere in cache
4) Execute your build

If we do dependency collection instead of dependency resolution, then no artifacts will be downloaded and the local repository of the CI will be always empty, so the build will be always slow (as it has to download every time dependencies).


> Go-offline does not find module dependencies in multi-module build.
> -------------------------------------------------------------------
>
>                 Key: MDEP-516
>                 URL: https://issues.apache.org/jira/browse/MDEP-516
>             Project: Maven Dependency Plugin
>          Issue Type: Bug
>          Components: go-offline
>    Affects Versions: 2.10
>            Reporter: Petar Tahchiev
>
> Hello,
> I've recently hit the exact same problem that these guys are having:
> http://stackoverflow.com/questions/14694139/how-to-resolve-dependencies-between-modules-within-multi-module-project
> and I thought it must be a very normal scenario so probably a lot of other people are hitting.
> So basically I have a multi-module build where {{moduleA}} is built first and them {{moduleB}} depends on {{moduleA}}. However when I do {{mvn dependency:go-offline}} it comes to resolve the dependencies of {{moduleB}} and it fails with {{Artifact not found: moduleA}}. 
> That seems to happen because only modules that have been packaged are put in the reactor and so later modules will know about them. So to fix it I have to do the following:
> {code}
> mvn package dependency:go-offline -U -Pquick,test -DskipTests -s src/main/resources/settings.xml
> {code}
> which I really don't like, because it does an extra package that I don't need, and then the whole build gets a lot slower.
> of course, {{mvn install}} at any time fixes the issue also, but I don't want to install



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